How to convert y=x-7 into ax+by=c

Andrea bought tacos from a food truck and left a 25%, percent tip of $2.00 What was the price of Andrea's tacos, before tip?

there are 60 minutes in an hour. The total number of minutes is a function of the number of hours, as shown in the table. Does this situation represent a linear or non-linear function, and why? Hours vs.

What's the answer to x:6=-13

How is the valueof 2 in the number 542 different from the value of 2 in the number 324

5. Naomi painted 16.5 square feet of a mural at a rate of 2 square feet per hour. Claire painted 7.5 square feet of the mural at a rate of 4 square feet per hour.

Orchid wants to retile her bathroom floor, which has an area of 40 square feet. She is deciding between two types of custom tiles. The square tile is 1/2 foot by 1/2 foot and costs $0.45 per tile.

Evaluate the expression x2 + 8x - 4 if x = 3.

If Pedro sends 360 messages on average each month, which plan would you recommend that he choose? Support your recommendation using mathematical evidence.

Mr. Toshiro manages a company that supplies a variety of domestic and imported nuts to supermarkets. He received an order for 120 bags of cashews, 310 bags of walnuts, and 60 bags of Brazil nuts.

Which statement is not true? A The center of a regular polygon is the center of its circumscribed circle. B The radius of a regular polygon is the radius of its circumscribed circle.